nVent RAYCHEM NGC-20 control and monitoring system

Überblick

The RAYCHEM NGC-20 is a field-mounted electronic temperature control system providing local control and central monitoring capabilities for industrial heat-tracing applications.

The RAYCHEM NGC-20 is an advanced field-mountable electronic temperature control system providing local control and central monitoring capabilities for industrial heat-tracing applications. A true “Smart Thermostat”. Compared to centralised control, the RAYCHEM NGC-20 system can significantly reduce costs without compromising safety and reliability. Approved for hazardous areas, the RAYCHEM NGC-20 is also available with an integrated intelligent safety temperature limiter (SIL 2 device).

Temperatures, earth leakage and operating currents as wells other crucial data associated with heat-tracing circuit integrity is constantly monitored and reported. Both monitoring and configuration of the RAYCHEM NGC-20 can be achieved remotely via the RAYCHEM User Interface Terminal (UIT) and/or by using RAYCHEM Supervisory software application. A hand-held wireless device is also available to enable the system to be configured and monitored in the field without opening the control unit.

Technische Spezifikationen

Temperature range control unit–80°C to +700°C in steps of 1K
Temperature range limiter–60°C to +599°C in steps of 1K
Ambient operating temperature–40°C to +56°C
Storage temperature–55°C to +80°C
Entries
  • 3 x M25
    • 1 x M25 gland Ø 8 – 17 mm: power IN / heating cable out
    • 1 x M25 stopping plug: daisy chaining of power
    • 1 x M25 rain plug: daisy chaining of power
  • 3 x M20 Digital communication IN / OUT and alarm (all with stopping plugs)
  • 2 X M16 Temperature sensor(s) 1 with stopping plug one with rain plug
Power supply & own power consumption100 Vac to 254 Vac +/-10 % 50/60 Hz 20 VA max
Alarm output relay Contactrated 250 Vac / 3 A
Temperature sensors100 Ω platinum, 3-wire
QuantityTwo RTD inputs for the control unit
One independent temperature input for the safety limiter (NGC-20-CL-E).
Physical networkRS-485 and Bluetooth Class 1
Measurement Load Current0.3 A to 30 A
Measurement Ground-fault current10 mA to 250 mA
Connection and Protection